#floor {
  width: 34px;
  height: 200px;
  position: fixed;
  left: 10px;
  top: calc(70%);
  z-index: 80;

  li {
    padding: 10px 4px;
    width: 100%;
    height: calc(100% / 4);
    background-color: #f1f1f1;
    text-align: center;
    line-height: 25px;
    border: 1px solid transparent;
    color: #666666;
    cursor: pointer;

    img {
      width: 80%;
    }

  }
}

.active {
  opacity: 1;
}
